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USB: ir-usb: fix incorrect write-buffer length
Returned length should include header length. Signed-off-by: Johan Hovold <jhovold@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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@ -307,6 +307,7 @@ static int ir_prepare_write_buffer(struct usb_serial_port *port,
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void *dest, size_t size)
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{
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unsigned char *buf = dest;
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int count;
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/*
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* The first byte of the packet we send to the device contains an
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@ -317,8 +318,9 @@ static int ir_prepare_write_buffer(struct usb_serial_port *port,
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*/
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*buf = ir_xbof | ir_baud;
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return kfifo_out_locked(&port->write_fifo, buf + 1, size - 1,
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count = kfifo_out_locked(&port->write_fifo, buf + 1, size - 1,
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&port->lock);
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return count + 1;
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}
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static void ir_process_read_urb(struct urb *urb)
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